DE202008010395U1 - Flow energy installation - Google Patents

Abstract

Flow energy plant with at least one about an axis (A1) rotating, in particular roller-like rotor (1) having a plurality of rotor blades (2), wherein
- One, several or all rotor blades (2) is associated with at least one efficiency-improving spoiler (3), which is upstream or downstream of the rotor blade (2) in the direction of rotation
and or
The rotor is at least partially surrounded by at least one efficiency-improving diffuser element,
and wherein the flow energy plant with liquid and / or gaseous media with any orientation of the axis (A1) is operable.

Description

The The invention relates to a flow energy plant, in particular Wind turbine, the at least one rotating about an axis Rotor having rotor blades.

Already the DE 810 500 B describes a wind turbine having wings rotatable about a vertical axis and disposed in a baffle having a slightly tapered inlet channel. In the direction of flow in the middle of a shielding body is arranged, which, however, unfavorably fluidic effect.

In DE 85 33 964 U1 a horizontally acting wind vane engine is described, which has a wind funnel, which partially encloses the wind wings and can be brought via a wind vane in the required wind direction. The wind funnel is formed in cross section in a quarter circle. Describing a vertical wind rotor with an air intake surface formed on an arm DE 198 56 914 A1 and a plant with a straight plate-shaped wind division plate is in DE 86 31 273.1 presented. All three aforementioned solutions are aerodynamically disadvantageous.

To DE 299 20 899 U1 is a wind turbine with vertical rotor and Frontalanströmung known with which by a special Einleitflächekonstruktion Eintrichterung or a suction is to be achieved, whereby higher flow velocities can be achieved. Due to a special design of two inlet surfaces (diffuser surfaces) an alignment according to the direction of flow of the wind should be achieved. However, it has been shown that the desired tracking was not always recorded.

A wind turbine with frontal streamed vertical rotors, the Anströmbereich is elaborately provided with funnel-like inlet and cover plates shows DE 201 02 051 U1 , A total of three vertical rotors are arranged in this wind turbine. In particular, by the centrally arranged baffles, the flow resistance of this system is increased.

With the in DE 20 2006 008 289 U1 described solution is to create a wind direction independent wind turbine. For this purpose, six large and six small inlet surfaces are provided, between which a counter-clockwise rotating rotor with three aerodynamically shaped wings is arranged.

All The above solutions have the disadvantage that their Efficiency is too low and that these are generally only vertical aligned rotor axes are used as wind turbines.

task the invention is to provide a flow energy plant, in which the energy, in particular the kinetic energy of a flowing Medium transferred with a high degree of efficiency into other forms of energy can be and which with gaseous or liquid Media is operable.

The Task is solved with the features of the first protection claim. Advantageous embodiments emerge from the subclaims.

• – einem, mehreren oder allen Rotorblättern wenigstens ein wirkungsgradverbessernder Luftleitflügel zugeordnet ist, der in Drehrichtung dem Rotorblatt vorgeschaltet oder nachgeschaltet ist und/oder
• – der Rotor zumindest teilweise von wenigstens einem wirkungsgradverbessernden Diffusorelement umgeben ist, und wobei die Strömungsenergieanlage mit flüssigen oder gasförmigen Medien bei beliebiger Ausrichtung der Achse des Rotors betreibbar ist.

The flow energy plant according to the invention has at least one roller-like rotor rotating about an axis, which has a plurality of rotor blades, wherein

• - One, several or all rotor blades at least one efficiency-improving air guide is assigned, which is upstream or downstream of the rotor blade in the direction of rotation and / or
• - The rotor is at least partially surrounded by at least one efficiency-improving diffuser element, and wherein the flow energy plant is operable with liquid or gaseous media with any orientation of the axis of the rotor.

By this innovative innovative design of the flow energy plant A new generation can be used in a variety of ways. In particular, use with gaseous media, d. H. the use as wind turbine or the use in liquid Media, eg. B. as a turbine in dams or rivers or opened as a waterwheel with one and the same design new opportunities and ensures a cost-effective Serial production.

tries have shown that in particular by the novel "double wing principle" to achieve a superior efficiency improvement of approx. 30% is.

Prefers is in each case a baffle to the rotor blade in one Distance arranged in the direction of rotation. Here are the radially outside lying beginning of the rotor blade and the radially outer Start of the air deflector offset by an angle to each other arranged.

Farther it is advantageous if the distance of the airfoil enlarged radially inward toward the rotor blade.

The Length of the airfoil may be less than the length of the rotor blade or the length correspond to the rotor blade.

The Rotor blade and / or the airfoil are in cross section wing profile-like (aerodynamic) formed.

Of the roller-type rotor has extending in the axial direction of the axis or spiraling about its axis of rotation Rotor blades on, their respective front surface curved concavely in the wind direction and behind it lying surface is convex curved. Each rotor blade points a radially outer outer edge and a radially inward inner edge, which is substantially in Extend axial direction. Also, the air vanes extend in the axial direction of the axis and are essentially the type the streamlined design of the rotor blades simulated, only the radial extent of the air vanes and whose thickness may be less than the radial extent and the thickness of the rotor blades. The diffuser element is in one defined distance to the rotor according to the "double-decker principle" arranged. The diffuser element is preferably as a hollow enveloping body trained or it consists of a basic body of encased in an enveloping body. The main body consists in particular of interconnected frame-like / plate-like Elements that in their peripherally formed outer contour of the to be generated outer contour of the respective diffuser element correspond. The spantenartigen / plate-like elements exist preferably made of plastic, fiber-reinforced plastic, glass fiber reinforced plastic, metallic material, wood or combinations of the aforementioned materials and are by means of Braces interconnected. Even the bracing can made of plastic, fiber-reinforced plastic, glass fiber reinforced Plastic, metallic material, wood or combinations of consist of the above materials. The spantenartigen / plate-like Elements and / or the struts point towards the enveloping body Rounded contours on to damage the envelope to avoid, especially if this one of a thin Membrane material or film material, fabric or fabric or thin-walled plastic. Furthermore, the enveloping body made of metallic material (sheet metal) or combinations of the aforementioned Made of materials and have a single or multi-layer structure.

Farther It is possible that in the main body by the spantenartigen To fill up existing spaces, z. B. with foam, structural foam, rigid foam, granular or flake-like material.

Farther is it possible to massively form the diffuser element, z. B. of foamed or cast material.

The or the diffuser element / s are in particular streamlined designed and partially arched towards the rotor, that they follow the course of one, the outward-pointing ends the rotor blades spanning, enveloping circle are adapted. Preference is given on both sides to each rotor at two opposite Longitudinal sides of the rotor arranged a diffuser element so that for each rotor an inflow opening and an outflow opening is formed, wherein the diffuser elements in cross-section wing profile-like are formed. The diffuser elements extend between a first end plate and a second end plate, wherein the first end plate and / or the second end plate are arched outwards. Between the first end plate and the second end plate, at least one rotor is rotatable stored. It can be between the first end plate and the second end plate also two or more rotors in the flow direction be arranged side by side and / or one above the other. The rotor has at least two outer rotor plates, between which the rotor blades extend. Between the two outer rotor plates can have a or a plurality of third, the rotor blades stabilizing, Rotor plates can be arranged. The rotor plates are preferably circular educated.

Of the Rotor has circumferentially a plurality of juxtaposed rotor blades on. Furthermore, also in "double-decker" or "multi-level" design rotor blades one above the other or side by side (depending on the orientation of the axis of rotation) combined be. These superimposed / juxtaposed rotor blades of the rotor can be aligned with each other or in the circumferential direction be arranged offset from each other.

The Outer contour of the enveloping body of the diffuser element or the outer contour of the massive diffuser element has in the direction of flow of the wind edges, which an inflow opening and in the outflow direction edges which an outflow opening form.

outgoing from the direction of flow of the wind tapers the distance between the surfaces facing each other of the enveloping body of the diffuser element (s) then adapted to the course / diameter of the rotor and expands after the rotor again. The outward facing surfaces of the envelope of the Diffuser elements are preferably formed mirror images of each other.

The from the edge to the rotor extending surface of the envelope the diffuser element preferably has a concave-convex curvature on.

The convex curvature of a rotor blade and the convex curvature of a spoiler have in particular in the direction of rotation.

The provided with the flow energy plant energy is available via a generator for generating electricity or can also be used directly to charge a battery. Farther It is possible to rotate them to produce hot water use.

The Flow energy plant is preferably designed so that it is pivotable in any direction. This is what this is with a vertically or horizontally oriented first axis of the Rotor as a wind turbine as well as a turbine in liquid Media (rivers, dams) can be used.

at Use in flowing media, especially rivers or channels can be a flow energy plant with a vertical axis (A1) in the base of the watercourse be attached so that these are independent of the water level works, because even at a low water level still a part of System is flowed through.

is the axis of the flow energy plant is stored horizontally, so it is possible this "floating" in the watercourse anchor so that it raises or lowers with the level and thus also independently of the water level is operable.

Becomes the flow energy plant used as a wind turbine, such is an adjustability of the diffuser according to the wind direction advantageous, so that the inflow opening always pointing in the wind direction or is aligned.

This can z. B. by means of a flag-like arrangement on the wind turbine will be realized. This is a simple and trouble-free Possibility of automatic alignment of the Diffuser housing.

The Wind turbine has at least one about a first vertical axis rotating rotor with multiple rotor blades, wherein According to the invention, each rotor blade at least one Assigned to the vanes, in the direction of rotation the Rotor blade is connected upstream.

Of the Length of the rotor corresponding to extend or on both sides of this the diffuser elements. When using two Diffuser elements is characterized by this in the direction of flow of the Wind in front of the rotor an inlet opening and behind the rotor formed an outflow. In the direction of flow the wind thereby tapers the inflow opening to a width corresponding to about 50% of the diameter of the rotor. The discharge opening widened in contrast after the rotor to about twice the diameter of the rotor. The diffuser elements are mounted on the base plate on which also the rotor is rotatably mounted. The end plate is in the vertical axis direction z. B. on a mast for a second Axis pivotally mounted. Since the diffuser elements connected to the base plate are and the rotor is arranged between the base and cover plate, Together they perform the pivoting movement around the vertical second axis. The axes of the base plate and the rotor are aligned or are spaced apart, resulting in better tracking the system is guaranteed depending on the wind direction becomes.

It it is possible to use one or two diffuser elements. Preferably, this is a diffuser element radially outward so arched that it is the course of one, the outward pointing ends of the rotor blades spanning, enveloping circle is adjusted. The inner radius of curvature of the diffuser element is doing according to the desired distance from the Rotor blades selected. The length of the Diffuser element should be approximately the distance from the outside corresponding edges of two rotor blades correspond. The pivoting movement the diffuser element can, as already described above, for. B. depending on a, rotatable by the wind, Wind vane can be controlled. However, it is also possible in that the diffuser element is at a distance from the rotor axis Swivel axis adjusts itself according to the wind direction. The height of the diffuser element should be approximately the height of the rotor correspond.

It is still possible, the inventive Flow energy plant in land, air and water vehicles depending on the application in conjunction with appropriate power take-offs and converters for generating energy from the wind or wind and / or to use from flowing liquid media.

Z. B. can this in cars or trucks in the front in the area of Radiators are installed. This is preferably done with a horizontally oriented axis of rotation of the rotor. The wind turbine can then z. B. in conjunction with a generator for charging a Battery used, in turn, used to drive the vehicle becomes.

The However, flow energy plant is also in combination with hydraulic and / or pneumatic and / or other electrical Systems or in combination with an internal combustion engine in the Type of hybrid system operable. Furthermore, it is possible to use them in space travel.

By the arrangement of one or two of the Diffuser elements at a relatively short distance from the rotor blades and the funnel-shaped extension in and against the wind direction, is flowed through the diffuser elements tangentially, in conjunction with the use of the air vanes, a surprisingly strong suction effect and a negative pressure in the outflow direction of the wind is recorded, the large increase in the flow rate and thus the speed of the rotor has the consequence. As a result, the power of the wind turbine can be increased by about 30%.

The Invention will be described below with reference to embodiments and associated drawings explained in more detail.

It demonstrate:

1 : Three-dimensional view of a wind turbine from the direction of flow

2 : Three-dimensional detail of the rotor

3 Photos: Side view of the rotor,

4 : Section AA acc. 3 .

5 : Side view of a rotor with a hydraulic motor (top), enlarged view of the hydraulic motor (bottom left) and enlarged front view.

6 : Three-dimensional representation of a rotor with superimposed and mutually offset rotor blades,

7 : Top view acc. 6 with diffuser elements,

8th FIG. 2 shows a first frame / plate-like element for the first diffuser element, FIG.

9 : Representation of the first main body of the first diffuser element,

10 : first diffuser,

11 FIG. 2 shows a second frame / plate-like element for the second diffuser, FIG.

12 : Representation of the second main body of the second diffuser,

13 : second diffuser,

14 : Schematic representation of the coupling of the first diffuser and the second diffuser,

15 Image: Top view of a wind turbine with wind vane,

16 : three-dimensional view from the onflow seal acc. 15 .

17 Use of a vertical flow energy plant for energy supply of a residential building,

18 Use of a vertical flow energy plant for generating electricity or for charging a battery on a ship,

19 Use of two horizontal flow energy plants on a roof for supplying energy to a residential building,

20 Use of a vertical flow energy plant for power generation in the side view in a river or canal,

21 : Front view acc. 20 .

22 Use of a "floating" horizontal flow energy plant for power generation in the front view in a river or canal,

23 : Illustration of a flow energy plant integrated in a car.

In 1 is the three-dimensional view of a flow energy plant when used as a wind turbine with a about a first vertical axis A1 rotatable roller-like rotor 1 (S. 2 to 4 ) shown from the direction of flow. The rotor 1 has three vertically extending rotor blades 2 on, with each rotor blade 2 a baffle 3 upstream in the direction of rotation. The rotor 1 is from a final here first rotor plate 4 and a top-closing second rotor plate 5 limited. Between these outer rotor plates 4 . 5 becomes the rotor 1 through two (s. 1 ) or by only one (s. 2 ) stabilizing rotor plate 6 stabilized. The rotor blades 2 and the baffles 3 can be formed in one piece, ie continuous from beginning to end and penetrate the stabilizing rotor plates, or be formed in several parts.

The baffles 3 are from the rotor blades 2 spaced, wherein from the top view. 4 it becomes clear that, starting from the first axis A1, the beginning of the radially outer beginning of the rotor blades 2 at an angle α compared to the radially outer beginning of the air guide vanes 3 is offset. Between the radially outer beginning of the rotor blades 2 and the radially inner end of the baffles 3 an angle β is formed. Through the airfoil 3 will cause that the air flow of the rotor blade 2 is maintained longer, whereby the efficiency of the system can be significantly increased. The from rotor blade 2 and air guide 3 formed "double wing" thus causes a significant increase in performance of the system 2 and air guide 3 is preferably formed in the same direction.

The rotor 1 is from a corpus (s. 1 ) 7 partially encased, which is pivotally mounted on a mast M. The body 7 consists of one of an upper first end plate 8.1 and a lower second end plate 8.2 , Between the end plates 8.1 . 8.2 extend on both sides to the rotor 1 a first diffuser element 9 and a second diffuser element 10 , The rotor 1 is through the first diffuser element 9 obscured in the direction of flow up to about 50% of its diameter, so that the rotor 1 is flowed on only about 50% of its width. In the direction of flow of the wind W is between the two diffuser elements 9 . 10 in front of the rotor 1 an inflow opening E and opposite to behind the rotor 1 formed an outflow opening A. The vertical outer surfaces 9.a and 10.a the first and second diffuser element 9 . 10 are mirror images of each other and are convex between the inflow opening E and the outflow A first in a large arc of curvature and then concavely curved in a smaller arc of curvature.

From the upper end plate 8.1 and from the lower end plate 8.2 extend to the first and second diffuser element 9 , 10 Baffles L with a bevel of about 45 °, through which turbulence avoided or reduced.

5 shows the rotor 1 , wherein it is recognizable that under the first rotor plate 4 a drive 11 sitting, which accelerates the rotor and fixed to the outer diameter of the mast fixed to the frame. This can be z. B. be used at low wind speeds to facilitate the startup of the rotor.

The three-dimensional representation of a rotor 1 with superimposed and mutually offset rotor blades 2 (without the use of air vents) is in 6 shown. The between the first rotor plate 4 and the third rotor plate 6 arranged rotor blades 2 are to those between the second rotor plate 5 and the third rotor plate 6 arranged rotor blades staggered so that in each case an upper rotor blade 2 essentially in the middle of the plan view (s. 7 ) between two lower rotor blades 2 lies. In 7 is the top view of the rotor 1 gem. 6 shown schematically, wherein the rotor 1 here from the first and the second diffuser element 9 . 10 partially encased. The upper end plate was not shown here. From this representation acc. 7 Once again, the inflow opening E directed in the direction of flow of the wind W and the outflow opening A can be seen. The first diffuser element 9 hides the rotor here 1 in the direction of flow to about 50%, with a lower coverage can be provided. It is still on the first diffuser element 9 laterally to the inflow opening a rounded edge 9.1 and at the second diffuser element 10 a rounded edge 10.1 intended. The two edges 9.1 . 10.1 surmount the outer diameter of the rotor 1 in the direction of flow radially outward. The distance b1 of the two edges 9.1 . 10.1 corresponds approximately to the rotor diameter D or is slightly larger than the rotor diameter D. The first diffuser element 9 has in the outflow A another rounded edge 9.2 on. Only a short distance to the rotor 1 is a third rounded edge 9.3 on the first diffuser element 9 provided here about 50% of the rotor 1 covered. The second diffuser element 10 also has a rounded edge in the direction of the outflow opening 10.2 on.

Between the first edge 9.1 and the second edge 9.2 extend the vertical outer surfaces 9a of the first diffuser element 9 , between the second edge 9.2 and the third edge 9.3 a diffuser surface 9b and between the first edge 9.1 and the third edge 9.3 a diffuser surface 9c , The diffuser surface 9b runs from the edge 9.2 first in a convex arc, at the, the course of the rotor 1 following, a concave curvature to the edge 9.3 followed. The diffuser surface 9c points from the edge 9.1 to the edge 9.3 first a concave and then a convex curvature. The second diffuser element 10 points towards the wind outlet the edge 10.2 on. Between the edge 10.1 and the edge 10.2 has the second diffuser element 10 outwardly a vertical outer surface 10a and towards the rotor 1 a diffuser surface 10b on. The course of the diffuser surface 10a is a mirror image of the area 9a designed. The area 10b runs to the rotor 1 in a convex curvature, followed by a concave curvature, from which the surface 10b in a convex curved arc to the edge 10.2 runs. Approximately from the center line of the rotor 1 seen from the direction of the outflow A, the surfaces have 9b and 10b mirror image in about the same course. The inflow opening E bounding distance b2 between the edge 9.3 and the area 10b is minimally about 0.5 × D. The distance b3 of the edges forming the outflow opening A 9.2 and 10.2 is preferably about 1D to 2D.

The rotor blades 2 are gem. 1 to 7 formed in a cross-sectional wing-shaped and extend from the outer periphery in a curved or curved shape radially inward. The convex curved surface of the rotor blades 2 points in the direction of rotation, the concave curved surface of the rotor blades 2 is streamed.

The inner longitudinal edges of the rotor blades 2 point to the concave surface of the next rotor blade 2 , If present, the air vents are 3 curved and aligned analogously to the rotor blade.

The representation of a first frame-like / plate-like element 9S for the first diffuser element 9 , shows 8th , The first element 9S has two breakthroughs 9D on which serve for its attachment. The outer contour of the first element 9S corresponds to the produced circumferential contour of the first diffuser element z. B. gem. 1 or 7 , In 9 is the first basic body 9G of the first diffuser element 9 shown. Several frame-like / plate-like elements 9S were at pursuit 13 passing through the breakthroughs 9D protrude, at a distance by using suitable fasteners (not shown) attached. This basic body 9G is subsequently with the envelope body 9H encased and so the first diffuser element 9 educated.

Analogously, the second diffuser element is constructed. The second frame-like / plate-like elements 10S for the second diffuser element 10 is in 11 shown. It also has two breakthroughs 10D on which serve for its attachment. The outer contour of the second element 10S corresponds to the circumferential contour of the second diffuser element to be produced 10 z. B. also gem. 1 or 7 ,

Gem. 12 became the second basic body 10G of the second diffuser element 10 from several frame-like / plate-like second elements 105 by means of struts 13 made by the breakthroughs 10D protrude. Also the basic body 10G is then covered with an envelope 10H encased and thus the second diffuser element 10 generated.

Now both are diffuser elements 9 . 10 gem. 14 by means of cross struts 14 attached to the upper and lower ends of the struts 13 Tie, fastened by means not shown fasteners with each other. The inner cross struts intersect 14 approximately the second axis A2, around which the diffuser elements 9 . 10 be pivotable and carry the storage of the diffuser elements. The corresponding warehouse 15 sits on top of an axle 16 here on a base plate 17 , z. B. on a mast (not shown here), can be fastened.

In 15 and 16 becomes a simple way of re-adjustment of the carcass 7 shown according to the wind direction. It sits on the body 7 a wind vane 18 that the body 7 projected radially on the side of the outflow opening A.

17 shows a vertical flow energy S as a wind turbine, with a arranged on a mast M corpus 7 that z. B. next to a family home 19 is arranged and can supply them with electricity and hot water.

In 18 is also a vertical wind turbine W on a ship 20 represented, with which z. B. Batteries are rechargeable.

According to 19 it is also possible to have one or more horizontal flow energy plant / s on a roof 21 to arrange. The body 7 is then z. B. at its two end plates 8.1 . 8.1 taken (left wind turbine) or is on the roof 21 pointing diffuser element (here 10 ) rotatably mounted, so that this can be aligned according to the wind direction (right wind turbine).

20 shows the side view of a vertical flow energy plant S for flowing media 22 for power generation in the side view in a channel 23 and 21 shows the front view.

The flow energy plant S was at the bottom of the channel 23 anchored. Even if the water level drops, it is still powered.

The use of a "floating" horizontal flow energy plant S for power generation in the front view in channel 23 is in 22 shown schematically. The flow energy plant S also adapts by its floating attachment also the level of the flowing medium 22 at.

At the Use of the flow energy plant S in rivers or canals does not affect the habitat of the fish, since the plant according to the flow of water turns and no shearing action is generated by them. The fish can pass through the plant or to the plant swim by.

The illustration of a in a car 24 integrated flow energy plant S is in 23 indicated. The designed as a wind turbine with horizontal rotor axis A1 flow energy plant S is in the grille 24 integrated of the vehicle. By a slim design of the wind turbine W, this is optimally integrated in it. On one or both sides of the rotor 1 are z. B. generators (not shown) connectable.

In all the above examples acc. 17 to 23 is the energy generated by the flow energy plant S in other forms of energy, if necessary, using suitable Ge gearboxes (eg gear transmission, toothed belt transmission), couplings, z. B. to compensate for relative movements between a drive shaft (here shaft of the rotor) and an output shaft (eg., Wave of a generator) and converted corresponding converter.

With Help the transmission is z. B. the power of the rotor of the flow energy plant in the form of low speed and high torque in one Power needed for a generator d. H. a high speed and a lower torque converted. The power provided by the rotation of the rotor becomes by not shown in the embodiments Gearbox to the corresponding decreasing aggregates (generator, Pump, etc.) forwarded.

Farther it is according to non-illustrated embodiments possible, through the flow energy plant a To drive pump.

The Flow energy plant is arbitrarily swiveling and can working with horizontally or vertically oriented rotor axes. It is also possible to use the flow energy system (symbolically within an imaginary spherical body) to swing in any position.

The inventive solution is thus versatile Fields of application can be used.

By the acceleration of the wind speed in the flow body (Diffuser elements) in particular in combination with the air guide elements can the energy yield compared to conventional Flow energy systems increased by more than 5-fold become.

conventional in particular three-bladed horizontal wind turbines, can create unacceptable acoustic and visual effects. The noise level is often over 35 dB, especially at night is distracting. Furthermore, the change between light and shadow and especially in the sunshine of the "Disco effect" when light is irregular from the bare surfaces of the rotor blades is reflected, become unbearable in the long term.

These Disadvantages occur with the wind turbine according to the invention not on, because this works with a very low noise level, which is close to zero, or just the natural wind noise equivalent.

By the use of the diffuser or the diffuser elements occurs disturbing light-shadow change not on. This is it's possible the wind turbines are also nearby of housing.

The big outer surfaces 9a . 10a the diffuser elements 9 . 10 can be used as an advertising medium.

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 810500 B [0002]
• - DE 8533964 U1 [0003]
• - DE 19856914 A1 [0003]
• - DE 8631273 [0003]
• - DE 29920899 U1 [0004]
• - DE 20102051 U1 [0005]
• - DE 202006008289 U1 [0006]

Claims (52)

Flow energy plant with at least one about an axis (A1) rotating, in particular roller-like rotor ( 1 ), which has several rotor blades ( 2 ), wherein - one, several or all rotor blades ( 2 ) at least one efficiency-improving airfoil ( 3 ), which in the direction of rotation of the rotor blade ( 2 ) upstream or downstream and / or - the rotor is at least partially surrounded by at least one efficiency improving diffuser element, and wherein the flow energy plant with liquid and / or gaseous media with any orientation of the axis (A1) is operable. Flow energy plant according to claim 1, characterized in that in each case a baffle ( 3 ) to the rotor blade ( 2 ) is arranged at a distance in the direction of rotation. Flow energy plant according to claim 1 or 2, characterized in that the radially outer beginning ( 2.1 ) of the rotor blade ( 2 ) and the radially outer beginning ( 3.1 ) of the airfoil ( 3 ) are offset by an angle (α) to each other. Flow energy plant according to one of claims 1 to 3, characterized in that the distance of the air guide wing ( 3 ) To the rotor blade radially inwardly enlarged. Flow energy plant according to one of claims 1 to 4, characterized in that the length of the air guide wing ( 3 ) is smaller than the length of the rotor blade ( 2 ) or that the length of the air vane ( 3 ) of the length of the rotor blade ( 2 ) corresponds. Flow energy plant according to one of claims 1 to 5, characterized in that the rotor blade ( 2 ) and / or the airfoil ( 3 ) are formed in cross-section wing profile-like. Flow energy plant according to one of claims 1 to 7, characterized in that the rotor ( 2 ) extending in the axial direction of the axis (A1) rotor blades ( 2 ) having. Flow energy plant according to one of claims 1 to 8, characterized in that the air guide vanes ( 3 ) in the axial direction of the axis (A1). Flow energy plant according to one of claims 1 to 9, characterized in that the diffuser element at a defined distance from the rotor ( 2 ) is arranged. Wind turbine according to one of claims 1 to 10, characterized in that the diffuser element as a hollow envelope body is formed. Wind turbine according to one of the claims 1 to 11, characterized in that each diffuser element a basic body exists and that the basic body is enveloped by the enveloping body. Wind turbine according to one of claims 1 to 12, characterized in that the basic body interconnected frame-like / plate-like elements consists. Wind power plant according to claim 13, characterized that the frame-like / plate-like elements in their peripheral formed outer contour of the outer contour to be generated correspond to the respective diffuser element. Wind turbine according to claim 13 or 14, characterized in that the frame-like / plate-like elements made of plastic, fiber-reinforced plastic, glass fiber reinforced Plastic, metallic material, wood or combinations of consist of the above materials. Wind turbine according to claim 13 to 15, characterized in that the frame-like / plate-like elements connected by braces. Wind turbine according to one of claims 13 to 16, characterized in that the struts are made of plastic, fiber reinforced plastic, glass fiber reinforced Plastic, metallic material, wood or combinations of consist of the above materials. Wind turbine according to one of claims 13 to 17, characterized in that the frame-like / plate-like Elements and / or the struts towards the envelope body have rounded contours. Wind turbine according to one of claims 1 to 18, characterized in that the enveloping body from a membranous film, fabric, plastic, metallic Material or combinations of the aforementioned materials and has a single or multi-layer structure. Wind turbine according to one of claims 1 to 19, characterized in that in the base body filled the frame-like structure existing gaps are. Wind power plant according to one of claims 1 to 20, characterized in that existing in the main body interspaces with foam, Structural foam, hard foam, granular or flake-like material are filled. Wind turbine according to one of claims 1 to 21, characterized in that the diffuser element solid is trained. Wind turbine according to one of claims 1 to 22, characterized in that the / the diffuser / e regionally so domed is that it / they follow the course of one, the outwardly pointing ends of the rotor blades spanning, Envelope is adapted / are. Flow energy plant according to one of claims 1 to 23, characterized in that arranged by two on opposite longitudinal sides of the rotor diffuser elements ( 4 . 5 ) an inflow opening (Es) and an outflow opening (As) are formed. Flow energy plant according to one of the claims 1 to 24, characterized in that the / the diffuser elements formed in cross-section wing profile-like. Flow energy plant according to one of claims 1 to 25, characterized in that the diffuser elements ( 4 . 5 ) between a first end plate and a second end plate ( 6 ). Flow energy plant according to one of the claims 1 to 26, characterized in that the first end plate and / or the second end plate arched outward is / are. Flow energy plant according to one of the claims 1 to 27, characterized in that between the first end plate and the second end plate at least one rotor arranged rotatably is. Flow energy plant according to one of the claims 1 to 28, characterized in that between the first end plate and the second end plate two or more rotors in the flow direction are arranged side by side and / or one above the other. Flow energy plant according to one of the claims 1 to 29, characterized in that the rotor at least two outer Rotor plates, between which the rotor blades extend. Flow energy plant according to one of the claims 1 to 30, characterized in that between the two outer Rotor plates at least a third, the rotor blades stabilizing, rotor plate is arranged. Flow energy plant according to one of the claims 1 to 31, characterized in that the rotor one above the other / next to each other having arranged rotor blades. Flow energy plant according to one of the claims 1 to 32, characterized in that the one above the other / next to each other arranged rotor blades of the rotor are aligned with each other or offset from one another in the circumferential direction. Flow energy plant according to one of claims 1 to 33, characterized in that the outer contour of the enveloping body of the diffuser element or the outer contour of the massive diffuser element ( 4 . 5 ) in the direction of flow of the wind (W) edges ( 4.1 . 5.1 ), which form an inflow opening (ES) and in the outflow direction edges ( 4.2 . 5.2 ), which form an outflow opening (AS), which in each case to before and behind the rotor ( 1 ). Flow energy plant according to one of claims 1 to 24, characterized in that, starting from the direction of flow of the wind (W), the distance between the mutually facing surfaces of the enveloping body of the / the diffuser elements ( 4 . 5 ), then the course / diameter of the rotor ( 1 ) and after the rotor ( 1 ) expanded. Flow energy plant according to one of claims 1 to 35, characterized in that the outwardly facing surfaces ( 4a . 5a ) of the enveloping body of the diffuser elements ( 4 . 5 ) are mirror images of each other. Flow energy plant according to one of claims 1 to 36, characterized in that the from the edge ( 4.1 ) to the rotor ( 1 ) running surface ( 4c ) of the enveloping body of the diffuser element ( 4 ) has a concavo-convex curvature. Flow energy plant according to one of claims 1 to 37, characterized in that the convex curvature of a rotor blade ( 2 ) in the direction of rotation. Flow energy plant according to one of claims 1 to 38, characterized in that the convex curvature of a baffle ( 3 ) in the direction of rotation. Flow energy plant according to one of the claims 1 to 39, characterized in that provided with this Energy can be used by a generator to generate electricity is. Flow energy plant according to one of the claims 1 to 40, characterized in that this for charging a Battery can be used. Flow energy plant according to one of the claims 1 to 41, characterized in that their rotation for generating of hot water is used. Flow energy plant according to one of the claims 1 to 42, characterized in that these in any direction is pivotable. Flow energy plant according to one of the claims 1 to 43, characterized in that this with a vertical or horizontally oriented first axis (A1) of the rotor as Wind turbine can be used. Flow energy plant according to one of the claims 1 to 44, characterized in that this a wind vane to automatic alignment according to the wind direction having. Flow energy plant according to claim 45, characterized characterized in that the wind vane on the upper end plate sits and radially in the direction of the discharge opening the wind turbine protrudes. Flow energy plant according to one of claims 1 to 45, characterized in that extending from the upper end plate 8.1 and from the lower end plate 8.2 to the first and second diffuser element 9 . 10 Guide plates L with a bevel of about 45 ° extend, through which turbulence can be avoided or reduced. Flow energy plant according to one of the claims 1 to 46, characterized in that this with a vertical or horizontally oriented first axis (A1) of the rotor as Turbine in liquid media (rivers, dams) can be used. Flow energy plant according to one of the claims 1 to 47, characterized in that this when used in liquid flowing media, especially rivers, with a horizontally aligned axis (A1) is floating, so that this works independently of the water level. Flow energy plant according to one of the claims 1 to 47, characterized in that this when used in liquid flowing media, especially rivers, with a vertical axis (A1) in the base of the watercourse attached is, so that it works independently of the water level. Flow energy plant according to one of the claims 1 to 47, characterized in that these in land, air and Vessels depending on the application in conjunction with appropriate Drives and converters for generating energy from the wind or wind and / or from flowing liquid media is. Flow energy plant according to claim 50, characterized characterized in that they are combined with hydraulic and / or pneumatic and / or electrical systems in the manner of a hybrid Systems is operable. Flow energy plant according to one of the claims 1 to 51, characterized in that they can be used in space is.